package Example05;
class  Student {
    public Student() {
        System.out.println("调用了无掺构造方法");
    }
}

public class Example05 {
    public static void main(String[] args){
        System.out.println("声明对象...");
        Student stu =null;
        System.out.println("实例化对象");
        stu=new Student();
    }
}
